The highest day temperature in September 2026 was 99°F. The lowest night temperature was 74°F. The average values for day and night temperatures during September were 93.6°F и 77.7°F respectivly.

The average sea surface temperature in September 2026 for Manzanillo was 91.8°F. The maximum and minimum values were 90.4°F and 93.4°F respectively.

Most of the days in September are cloudy but you can also expect sunny or gloomy days.

Precipitation total in September for Manzanillo is 3.4 in. It makes september one of the most rainy months of the year.

The average wind speed in September is 5.0 mph. It makes September the most windless month of the year for Manzanillo.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Manzanillo in September is 7.3 hours.